diff --git a/README.md b/README.md
index 6e59eda..b2a7785 100644
--- a/README.md
+++ b/README.md
@@ -1,14 +1,48 @@
 
-## 源码编译
+# 简介
+本仓库用于记录学习Hadoop相关笔记，菜就多做笔记。
+
+# 编译
 
 执行下面编译命令：
 ```bash
-mvn package  -Pdist,native -DskipTests -Dmaven.javadoc.skip=true
+# -T 是编译的线程数，可以按照具体操作系统增加或者减少
+mvn -T 8 package -Pdist,native -DskipTests -Dmaven.javadoc.skip=true
 ```
 
+# 知识树
+
 ## HDFS
-- [HDFS](./hdfs/README.md)
+- [HDFS概览](./hdfs/README.md)
+- NameNode相关
+   - [namenode全景](./hdfs/namenode全景.md)
+   - [NameNode启动过程](./hdfs/nameNode启动过程.md)
+   - [FsIMage](./hdfs/fsImages.md)
+   - [NamenodeProtocols详解](./hdfs/NamenodeProtocols详解.md)
+   - [leaseManager详解](./hdfs/leaseManager详解.md)
+   - [FSDirectory详解](./hdfs/FSDirectory详解.md)
+- [文件上传](./hdfs/file_upload.md)
+- DataNode相关
+   - [dataNode启动过程](./hdfs/dataNode启动过程.md)
+   - [BPServiceActor详解](./hdfs/BPServiceActor详解.md)
+
 
 ## Yarn
-- [Yarn](./yarn/README.md)
+- [Yarn概览](./yarn/README.md)
+- [ResourceManager详解](./yarn/resourcemanager.md)
+- [作业启动](./yarn/job_start.md)
+- Yarn 事件相关
+   - [Yarn状态机](./yarn/yarn_event.md)
+   - [Yarn事件处理机制](./yarn/yarn_event_detail.md)
+- JobHistory 相关
+  - [jobhistory 作业缓存](./yarn/jobhistory_cache.md)
+
+
+## Zookeeper
+- [Zookeeper概览](./zookeeper/README.md)
+
+
+## OZone
+- [OZone概览](./ozone/README.md)
+
 
diff --git a/ozone/README.md b/ozone/README.md
new file mode 100644
index 0000000..139597f
--- /dev/null
+++ b/ozone/README.md
@@ -0,0 +1,2 @@
+
+